Geothermal energy harnesses natural, renewable heat from shallow or deep underground sources for heating and electricity generation. Developing a reliable geothermal distribution network involves chemically-resistant pipes, intelligent engineering, and professional installation.
PRE-INSULATED PIPING APPLICATION
Geothermal
Geothermal energy offers unique advantages for regions with natural geothermal resources, providing reliable, baseload renewable heat independent of weather or seasonal variations. This makes geothermal ideal for building climate resilience, reducing energy grid dependence, and achieving long-term energy security for communities, hospitals, universities, and industrial facilities requiring consistent thermal supply.
NETWORK & DESIGN
Optimized Geothermal Networks for Any Depth or Scale
Geothermal projects range from shallow ground-source heat pumps for single buildings, to direct-use heating, to deep-well systems supplying entire districts. Professional network design considers operating temperatures, water chemistry, system scale, and connection with local heating infrastructure. Pre-insulated PB-1 pipe systems meet strict geothermal requirements, including chemical resistance, temperature durability, and long pipe runs for rapid installation. Correct network engineering ensures efficient energy transfer and reliable performance for any application.
INSTALLATION & PERFORMANCE
Fast Installation, Lasting Performance
An enormous thermal mass at a stable temperature can be found just below the surface. This is ideal for ground source heat pumps. Underground heat collectors absorb subsurface heat, which is then extracted by a heat pump to increase the temperature for underfloor heating or other low-temperature applications. These projects typically power a single home or office building, or feed into a small local district heating network.
Extremely flexible polybutene-1 (PB-1) pipes or preselected pipe installation kits allow for quick and reliable installation.
PROJECT SUPPORT
Comprehensive Support for Geothermal Projects
Thermaflex supports geothermal applications with technical advice, product selection, and modular prefabrication kits tailored to project size and water chemistry. Network calculation, on-site training, and project support help engineers and installers deliver future-proof systems. Case studies and technical resources demonstrate real-world reliability and energy transition value.
EMPOWERING INDUSTRIES WORLDWIDE
Flexalen® products
50
Years of Expertise
45
Countries Served Worldwide
500
Industrial clients
20
Product lines
OUR SERVICES
Advice and Support
From specification to commissioning, our technical experts ensure your systems deliver maximum performance.
Links to the Engineering & Support page
Engineering and support
Technical product selection, network design, and thermal optimization to meet your system requirements.
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Links to the co-development page
Co-Development
Collaborative engineering partnerships to develop custom solutions tailored to your specifications.
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Links to the Installation Training page
Installation Training
Professional installation training options to ensure correct system deployment.
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Links to the Pipe Pre‑Insulation Service page
Pipe Pre‑Insulation Service
Meet your customers’ demand instantly with insulated pipes, without changing your production process.
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Sustainable insulation for efficient buildings
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FREE WHITEPAPER
The biggest mistake to avoid when calculating heating networks
Designing heating networks can be a real challenge. In this whitepaper you will learn all about the biggest mistakes to avoid.
FREQUENT ASKED QUESTIONS
How sustainable are Thermaflex solutions
Thermaflex is committed to genuine sustainability across our entire product portfolio. Our solutions achieve Cradle to Cradle® Certification, carry Environmental Product Declarations (EPDs) supporting LEED, BREEAM, and DGNB certifications. We’ve transitioned to renewable energy in our operations and are dedicated to net-zero emissions. Through circular economy principles, safe material formulations, and transparent lifecycle reporting, Thermaflex enables customers to build sustainably without compromising performance. Read more.
Does Thermaflex offer technical support
Yes. Our team provides comprehensive engineering support including system and network calculations, material selection guidance, compliance documentation, installation trainings and project support. Contact our team by email international@thermaflex.com, or explore more services here.
What applications are Thermaflex products suitable for
Thermaflex solutions serve various market sectors: HVAC/R systems, construction, district heating and cooling networks, drinking water distribution, marine/shipbuilding, equipment manufacturing, packaging, and other specialized applications including transport and industrial systems. Learn more about our applications here.
In how many countries is Thermaflex active
Thermaflex is a global company, headquartered in the Netherlands, with production facilities in the Netherlands, Poland, Turkey, and Thailand. We have sales offices across multiple continents including France, Germany, Austria, Denmark, and Asia, allowing us to serve customers globally. Find our international offices here.
Can Thermaflex products be customised
Yes. We offer two levels of customization: Factory Customization produces precision-engineered solutions including custom-dimensioned components, specialized fittings, and integrated assemblies; Co-Development partners your expertise with our R&D capabilities to create solutions for unique applications, specialized requirements, or OEM integration. Contact us to find out more.
